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Update documentation.

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This commit is contained in:
David Reid
2020-02-25 17:29:59 +10:00
parent cf3fd4876f
commit 8c96ca4c55
2 changed files with 25 additions and 6 deletions
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miniaudio.h
+24 -5
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@@ -143,9 +143,9 @@ waveform you want to generated via the `ma_waveform_config` object which you can
Noise Generation Noise Generation
---------------- ----------------
A noise generation API has been added. This is used via the `ma_noise` API. Currently only white noise is supported, but pink and brown noise is planned. The A noise generation API has been added. This is used via the `ma_noise` API. Currently white and pink noise is supported. The `ma_noise` API is similar to the
`ma_noise` API is similar to the waveform API. Use `ma_noise_config_init()` to initialize a config object, and then pass it into `ma_noise_init()` to waveform API. Use `ma_noise_config_init()` to initialize a config object, and then pass it into `ma_noise_init()` to initialize a `ma_noise` object. Then use
initialize a `ma_noise` object. Then use `ma_noise_read_pcm_frames()` to read PCM data. `ma_noise_read_pcm_frames()` to read PCM data.
Miscellaneous Changes Miscellaneous Changes
@@ -1070,10 +1070,22 @@ The amplitude, frequency and sample rate can be changed dynamically with `ma_wav
You can reverse the waveform by setting the amplitude to a negative value. You can use this to control whether or not a sawtooth has a positive or negative You can reverse the waveform by setting the amplitude to a negative value. You can use this to control whether or not a sawtooth has a positive or negative
ramp, for example. ramp, for example.
Below are the supported waveform types:
|---------------------------|
| Enum Name |
|---------------------------|
| ma_waveform_type_sine |
| ma_waveform_type_square |
| ma_waveform_type_triangle |
| ma_waveform_type_sawtooth |
|---------------------------|
Noise Noise
----- -----
miniaudio supports generation of white noise via the `ma_noise` API. Example: miniaudio supports generation of white and pink noise via the `ma_noise` API. Example:
```c ```c
ma_noise_config config = ma_noise_config_init(FORMAT, CHANNELS, ma_noise_type_white, SEED, amplitude); ma_noise_config config = ma_noise_config_init(FORMAT, CHANNELS, ma_noise_type_white, SEED, amplitude);
@@ -1099,7 +1111,14 @@ side. To instead have each channel use the same random value, set the `duplicate
config.duplicateChannels = MA_TRUE; config.duplicateChannels = MA_TRUE;
``` ```
Currently only white noise is supported. Pink and brown noise are planned. Below are the supported noise types.
|-----------------------|
| Enum Name |
|-----------------------|
| ma_noise_type_white |
| ma_noise_type_pink |
|-----------------------|
tests/test_filtering/ma_test_filtering_notch.c
+1 -1
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@@ -19,7 +19,7 @@ ma_result test_notch2__by_format(const char* pInputFilePath, const char* pOutput
return result; return result;
} }
notchConfig = ma_notch2_config_init(decoder.outputFormat, decoder.outputChannels, decoder.outputSampleRate, 0, 2000); notchConfig = ma_notch2_config_init(decoder.outputFormat, decoder.outputChannels, decoder.outputSampleRate, 1, 60);
result = ma_notch2_init(&notchConfig, &notch); result = ma_notch2_init(&notchConfig, &notch);
if (result != MA_SUCCESS) { if (result != MA_SUCCESS) {
ma_decoder_uninit(&decoder); ma_decoder_uninit(&decoder);